独自のJNDIサービスを作るとっかかり例.

jndi.properties

java.naming.factory.url.pkgs=jp.seraphyware.jnditest.url.pkgs
#java.naming.factory.initial=jp.seraphyware.jnditest.TestURLContextFactory

JNDITest.java

package jp.seraphyware.jnditest;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URL;
import java.util.Enumeration;

import javax.naming.InitialContext;

public class JNDITest {

    public static void main(final String[] args) throws Exception {
        final InitialContext ctx = new InitialContext();
        ctx.lookup("seraphyware:comp/env/c");
        
        final ClassLoader cl = Thread.currentThread().getContextClassLoader();
        System.out.println(cl);
        final Enumeration<URL> res = cl.getResources("jndi.properties");
        while (res.hasMoreElements()) {
            final URL url = res.nextElement();
            System.out.println(url.toString());
            final InputStream is = url.openStream();
            try {
                final BufferedReader rd = new BufferedReader(new InputStreamReader(is));
                String line;
                while ((line = rd.readLine()) != null) {
                    System.out.println(line);
                }
            }
            finally {
                is.close();
            }
        }
    }
    
}

seraphywareURLContextFactory.java

package jp.seraphyware.jnditest.url.pkgs.seraphyware;

import java.util.Enumeration;
import java.util.Hashtable;

import javax.naming.Binding;
import javax.naming.CompositeName;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.NameClassPair;
import javax.naming.NameParser;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.spi.InitialContextFactory;
import javax.naming.spi.ObjectFactory;

public class seraphywareURLContextFactory implements ObjectFactory, InitialContextFactory {
    
    public seraphywareURLContextFactory() {
        System.out.println("@@@@@");
    }
    
    public Context getInitialContext(Hashtable<?, ?> v_environment) throws NamingException {
        return new seraphywareURLContext();
    }
    
    public Object getObjectInstance(Object v_obj, Name v_name,
            Context v_nameCtx, Hashtable<?, ?> v_environment) throws Exception {
        System.out.println("****:" + v_name + "/" + v_obj);
        return new seraphywareURLContext();
    }
    
}

class seraphywareURLContext implements Context {

    public Object addToEnvironment(String v_propName, Object v_propVal) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public void bind(Name v_name, Object v_obj) throws NamingException {
        // TODO Auto-generated method stub
        
    }

    public void bind(String v_name, Object v_obj) throws NamingException {
        // TODO Auto-generated method stub
        
    }

    public void close() throws NamingException {
        // TODO Auto-generated method stub
        
    }

    public Name composeName(Name v_name, Name v_prefix) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public String composeName(String v_name, String v_prefix) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public Context createSubcontext(Name v_name) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public Context createSubcontext(String v_name) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public void destroySubcontext(Name v_name) throws NamingException {
        // TODO Auto-generated method stub
        
    }

    public void destroySubcontext(String v_name) throws NamingException {
        // TODO Auto-generated method stub
        
    }

    public Hashtable<?, ?> getEnvironment() throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public String getNameInNamespace() throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public NameParser getNameParser(Name v_name) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public NameParser getNameParser(String v_name) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public NamingEnumeration<NameClassPair> list(Name v_name) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public NamingEnumeration<NameClassPair> list(String v_name) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public NamingEnumeration<Binding> listBindings(Name v_name) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public NamingEnumeration<Binding> listBindings(String v_name) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public Object lookup(Name v_name) throws NamingException {
        final Enumeration<String> e = v_name.getAll();
        while (e.hasMoreElements()) {
            final String name = e.nextElement();
            System.out.println(name);
        }
        return null;
    }

    public Object lookup(String v_name) throws NamingException {
        System.out.println("lookup:" + v_name);
        return lookup(new CompositeName(v_name));
    }

    public Object lookupLink(Name v_name) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public Object lookupLink(String v_name) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public void rebind(Name v_name, Object v_obj) throws NamingException {
        // TODO Auto-generated method stub
        
    }

    public void rebind(String v_name, Object v_obj) throws NamingException {
        // TODO Auto-generated method stub
        
    }

    public Object removeFromEnvironment(String v_propName) throws NamingException {
        // TODO Auto-generated method stub
        return null;
    }

    public void rename(Name v_oldName, Name v_newName) throws NamingException {
        // TODO Auto-generated method stub
        
    }

    public void rename(String v_oldName, String v_newName) throws NamingException {
        // TODO Auto-generated method stub
        
    }

    public void unbind(Name v_name) throws NamingException {
        // TODO Auto-generated method stub
        
    }

    public void unbind(String v_name) throws NamingException {
        // TODO Auto-generated method stub
        
    }
    
}